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Finding the Fourth Proportional to 27,303.60, 40,906.80 and 22,346.40

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Solution

The fourth proportional to 27,303.60, 40,906.80 and 22,346.40 is: 33,479.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,303.60 : 40,906.80 = 22,346.40 : x
  2. Step 2: Convert to fraction form
    27,303.60/40,906.80 = 22,346.40/x
  3. Step 3: Cross multiply
    27,303.60x = 40,906.80 × 22,346.40
  4. Step 4: Simplify right side
    27,303.60x = 914,119,715.52
  5. Step 5: Solve for x
    x = 914,119,715.52/27,303.60
  6. Step 6: Final answer
    x = 33,479.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.